chore: fix id of tj-actions/changed-files

Author: odanado

.github/workflows/build-test.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Calculate file differences
-        id: changed-files
+        id: diff
         uses: tj-actions/changed-files@v35
         with:
           json: true
@@ -39,9 +39,9 @@ jobs:
           script: |
             const script = require(`${process.env.GITHUB_WORKSPACE}/genMatrix.js`)
             return script(
-              ${{ steps.changed-files.outputs.added_files }},
-              ${{ steps.changed-files.outputs.modified_files }},
-              ${{ steps.changed-files.outputs.renamed_files }},
+              ${{ steps.diff.outputs.added_files }},
+              ${{ steps.diff.outputs.modified_files }},
+              ${{ steps.diff.outputs.renamed_files }},
             );
 
     outputs: